Finding the Fourth Proportional to 138,844.06, 208,223.03 and 50,086.04

Step by Step Solution

1. Step 1: Write the proportion equation
   138,844.06 : 208,223.03 = 50,086.04 : x
2. Step 2: Convert to fraction form
   138,844.06/208,223.03 = 50,086.04/x
3. Step 3: Cross multiply
   138,844.06x = 208,223.03 × 50,086.04
4. Step 4: Simplify right side
   138,844.06x = 10,429,066,614.16
5. Step 5: Solve for x
   x = 10,429,066,614.16/138,844.06
6. Step 6: Final answer
   x = 75,113.52